UnprocessableEntityError: Error code: 422 - {'detail': [{'loc': ['body', 'messages', 2, 'content'], 'msg': 'none is not an allowed value', 'type': 'type_error.none.not_allowed'}]}[Issue]:  #1829

UnprocessableEntityError                  Traceback (most recent call last)
Cell In[9], line 2
      1 # start the conversation
----> 2 user_proxy.initiate_chat(
      3     chatbot,
      4     message="帮我查询北京的PM2.5"
      5 )

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:621, in ConversableAgent.initiate_chat(self, recipient, clear_history, silent, **context)
    607 """Initiate a chat with the recipient agent.
    608 
    609 Reset the consecutive auto reply counter.
   (...)
    618         "message" needs to be provided if the `generate_init_message` method is not overridden.
    619 """
    620 self._prepare_chat(recipient, clear_history)
--> 621 self.send(self.generate_init_message(**context), recipient, silent=silent)

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:398, in ConversableAgent.send(self, message, recipient, request_reply, silent)
    396 valid = self._append_oai_message(message, "assistant", recipient)
    397 if valid:
--> 398     recipient.receive(message, self, request_reply, silent)
    399 else:
    400     raise ValueError(
    401         "Message can't be converted into a valid ChatCompletion message. Either content or function_call must be provided."
    402     )

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:553, in ConversableAgent.receive(self, message, sender, request_reply, silent)
    551 reply = self.generate_reply(messages=self.chat_messages[sender], sender=sender)
    552 if reply is not None:
--> 553     self.send(reply, sender, silent=silent)

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:398, in ConversableAgent.send(self, message, recipient, request_reply, silent)
    396 valid = self._append_oai_message(message, "assistant", recipient)
    397 if valid:
--> 398     recipient.receive(message, self, request_reply, silent)
    399 else:
    400     raise ValueError(
    401         "Message can't be converted into a valid ChatCompletion message. Either content or function_call must be provided."
    402     )

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:553, in ConversableAgent.receive(self, message, sender, request_reply, silent)
    551 reply = self.generate_reply(messages=self.chat_messages[sender], sender=sender)
    552 if reply is not None:
--> 553     self.send(reply, sender, silent=silent)

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:398, in ConversableAgent.send(self, message, recipient, request_reply, silent)
    396 valid = self._append_oai_message(message, "assistant", recipient)
    397 if valid:
--> 398     recipient.receive(message, self, request_reply, silent)
    399 else:
    400     raise ValueError(
    401         "Message can't be converted into a valid ChatCompletion message. Either content or function_call must be provided."
    402     )

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:551, in ConversableAgent.receive(self, message, sender, request_reply, silent)
    549 if request_reply is False or request_reply is None and self.reply_at_receive[sender] is False:
    550     return
--> 551 reply = self.generate_reply(messages=self.chat_messages[sender], sender=sender)
    552 if reply is not None:
    553     self.send(reply, sender, silent=silent)

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:1193, in ConversableAgent.generate_reply(self, messages, sender, exclude)
   1191     continue
   1192 if self._match_trigger(reply_func_tuple["trigger"], sender):
-> 1193     final, reply = reply_func(self, messages=messages, sender=sender, config=reply_func_tuple["config"])
   1194     if final:
   1195         return reply

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/agentchat/conversable_agent.py:708, in ConversableAgent.generate_oai_reply(self, messages, sender, config)
    705         all_messages.append(message)
    707 # TODO: #1143 handle token limit exceeded error
--> 708 response = client.create(
    709     context=messages[-1].pop("context", None), messages=self._oai_system_message + all_messages
    710 )
    712 extracted_response = client.extract_text_or_completion_object(response)[0]
    714 # ensure function and tool calls will be accepted when sent back to the LLM

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/oai/client.py:278, in OpenAIWrapper.create(self, **config)
    276             continue  # filter is not passed; try the next config
    277 try:
--> 278     response = self._completions_create(client, params)
    279 except APIError as err:
    280     error_code = getattr(err, "code", None)

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/autogen/oai/client.py:543, in OpenAIWrapper._completions_create(self, client, params)
    541     params = params.copy()
    542     params["stream"] = False
--> 543     response = completions.create(**params)
    545 return response

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/openai/_utils/_utils.py:271, in required_args.<locals>.inner.<locals>.wrapper(*args, **kwargs)
    269             msg = f"Missing required argument: {quote(missing[0])}"
    270     raise TypeError(msg)
--> 271 return func(*args, **kwargs)

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/openai/resources/chat/completions.py:643, in Completions.create(self, messages, model, frequency_penalty, function_call, functions, logit_bias, logprobs, max_tokens, n, presence_penalty, response_format, seed, stop, stream, temperature, tool_choice, tools, top_logprobs, top_p, user, extra_headers, extra_query, extra_body, timeout)
    594 @required_args(["messages", "model"], ["messages", "model", "stream"])
    595 def create(
    596     self,
   (...)
    641     timeout: float | httpx.Timeout | None | NotGiven = NOT_GIVEN,
    642 ) -> ChatCompletion | Stream[ChatCompletionChunk]:
--> 643     return self._post(
    644         "/chat/completions",
    645         body=maybe_transform(
    646             {
    647                 "messages": messages,
    648                 "model": model,
    649                 "frequency_penalty": frequency_penalty,
    650                 "function_call": function_call,
    651                 "functions": functions,
    652                 "logit_bias": logit_bias,
    653                 "logprobs": logprobs,
    654                 "max_tokens": max_tokens,
    655                 "n": n,
    656                 "presence_penalty": presence_penalty,
    657                 "response_format": response_format,
    658                 "seed": seed,
    659                 "stop": stop,
    660                 "stream": stream,
    661                 "temperature": temperature,
    662                 "tool_choice": tool_choice,
    663                 "tools": tools,
    664                 "top_logprobs": top_logprobs,
    665                 "top_p": top_p,
    666                 "user": user,
    667             },
    668             completion_create_params.CompletionCreateParams,
    669         ),
    670         options=make_request_options(
    671             extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
    672         ),
    673         cast_to=ChatCompletion,
    674         stream=stream or False,
    675         stream_cls=Stream[ChatCompletionChunk],
    676     )

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/openai/_base_client.py:1112, in SyncAPIClient.post(self, path, cast_to, body, options, files, stream, stream_cls)
   1098 def post(
   1099     self,
   1100     path: str,
   (...)
   1107     stream_cls: type[_StreamT] | None = None,
   1108 ) -> ResponseT | _StreamT:
   1109     opts = FinalRequestOptions.construct(
   1110         method="post", url=path, json_data=body, files=to_httpx_files(files), **options
   1111     )
-> 1112     return cast(ResponseT, self.request(cast_to, opts, stream=stream, stream_cls=stream_cls))

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/openai/_base_client.py:859, in SyncAPIClient.request(self, cast_to, options, remaining_retries, stream, stream_cls)
    850 def request(
    851     self,
    852     cast_to: Type[ResponseT],
   (...)
    857     stream_cls: type[_StreamT] | None = None,
    858 ) -> ResponseT | _StreamT:
--> 859     return self._request(
    860         cast_to=cast_to,
    861         options=options,
    862         stream=stream,
    863         stream_cls=stream_cls,
    864         remaining_retries=remaining_retries,
    865     )

File ~/miniconda3/envs/autogen/lib/python3.10/site-packages/openai/_base_client.py:949, in SyncAPIClient._request(self, cast_to, options, remaining_retries, stream, stream_cls)
    946         err.response.read()
    948     log.debug("Re-raising status error")
--> 949     raise self._make_status_error_from_response(err.response) from None
    951 return self._process_response(
    952     cast_to=cast_to,
    953     options=options,
   (...)
    956     stream_cls=stream_cls,
    957 )

UnprocessableEntityError: Error code: 422 - {'detail': [{'loc': ['body', 'messages', 2, 'content'], 'msg': 'none is not an allowed value', 'type': 'type_error.none.not_allowed'}]}